Cosmetic casing



FIG. 1 is a perspective view of a cosmetic casing showing my new design,in which the inner structures shown in broken lines are for illustrativepurposes only and form no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof, in which the hinge area shownin broken lines is for illustrative purposes only and forms no part ofthe claimed design;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof, in which the hinge area shown inbroken lines is for illustrative purposes only and forms no part of theclaimed design;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

The ornamental design for a cosmetic casing, as shown and described.